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Prestone DEX-COOL Extended Life antifreeze/coolant is specifically designed for cars and light-duty trucks with aluminum radiators, extending the life of your vehicle's engine. This ready-to-use, 50/50 mix of antifreeze and coolant protects against rust, corrosion, and temperature extremes, providing optimal performance even in harsh conditions. It also helps to prevent freezing down to -34F (-37C) and boiling up to 265F (129C), ensuring that your engine stays cool and protected year-round. With its long-lasting inhibitors and easy application, Prestone DEX-COOL is the perfect choice for maintaining your vehicle's engine health and performance.